NC Mechanical 1 Level 1 Test | 100% Correct Answers | Verified | Latest 2024 Version

which of the following can inspect welds on steel I beams in a commercial structure: A. Building inspector B. Contractor C. Designed professional engineer D. Jose the weld - C See GS160D-1106 Outdoor heated pool covers shall be provided with a ________? - Class 1 vapor retardant cover Energy Code R403.10.3 In a residence, Total duct leakage shall be less than or equal to __ cfm per 100 sq/ft of conditioned floor area served by that system - 5 Energy Code R403.3.3.1 In a residence, Heat pumps having supplimentary electric-resistance heat shal have controls that, except during deforst, prevent heat operation when _____? - the heat pump compressor can meet the heating load Energy Code 403.1.2 In a residence, Heat pump lockout shall be set no lower than ____ and no higher than ____. - 35*F, 40*F Energy Code R403.1.2 Are return ducts inside semi-conditioned and conditioned spaces of a residence required to be insulated? - Not required, other than may be necessary Energy Code R403.3.1In a commercial occupancy, a thermostat is allowed to control multiple zones from one thermostat - False, each zone must be controlled by individual controls within that zone. *Review entire section Energy Code C403.4.1 Alamance county is in climate zone _____ - 4A Energy Code The minimum screen mesh size for a vent terminating to the outdoors in a residence is? - Not less than 1/4" M401.5 (Table) A hazardous exhaust system is required when ______, except in laboratories - see M510.2 An exhaust system is required when ____? - Equipment and processes in such areas produce or throw off dust or particles sufficently to float in the air, or which emit heat, odors, fumes, spray, gas or smoke in such quantities so as to be irritating or injurious to health and safety M502.1 The maximum opening size of a screen on an air intake can be no larger than ___ Inch. - 1/2 Table M401.5 Condensate waste and drain line sizes shall be no smaller than ____. - 3/4" M307.2.2 The slope of a condensate drain shall be no less than _____ inch per 12 inches - 1/8" M307.2.1 Can a portable space heater be used to provide space heating in a interior space intended for human occupancy? - No. Heating systems need to be permanently affixed.M309.1